Mines’ production was high, despite disruptions to production at Aitik.

Maintenance shutdowns by Smelters completed according to plan.

Please find enclosed the full report.

The Interim Report will be presented via a webcast/conference call on Friday, 17 July at 14:30 (CET). Information is available at www.boliden.com.

Contact persons for information:

Lennart Evrell, President & CEO

Tel: +46 8 610 15 00

Mikael Staffas, CFO

Tel: +46 8 610 15 00

Sophie Arnius, Director Investor Relations

Tel: +46 8 610 15 23

+46 70 590 8072

The information provided comprises information that Boliden is obliged to present, pursuant to the Swedish Securities Market Act and/or the Swedish Financial Instruments Trading Act. The information was released for publication on 17 July 2015 at 12:00 (CET).